28557333

素因数分解:

$3^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2477}}^1$

素因数の和:2554

約数の個数: 32

約数和(自身を含む): 49163520

約数和(自身を除く): 20606187

約数列:

[1, 3, 7, 9, 21, 27, 61, 63, 183, 189, 427, 549, 1281, 1647, 2477, 3843, 7431, 11529, 17339, 22293, 52017, 66879, 151097, 156051, 453291, 468153, 1057679, 1359873, 3173037, 4079619, 9519111, 28557333]

約数ペア:

[(1, 28557333), (3, 9519111), (7, 4079619), (9, 3173037), (21, 1359873), (27, 1057679), (61, 468153), (63, 453291), (183, 156051), (189, 151097), (427, 66879), (549, 52017), (1281, 22293), (1647, 17339), (2477, 11529), (3843, 7431)]